/Engine/Source/Runtime/ImageCore/Public/ImageCore.h
Clamp Float16 colors which aren't encodable in the BC6H format RGB is clamped to non-negative and finite A is set to 1.0
namespace FImageCore { void FImageCore::SanitizeFloat16AndSetAlphaOpaqueForBC6H ( const [FImageView](API\Runtime\ImageCore\FImageView) & InOutImage ) }